30405748422 has 48 divisors (see below), whose sum is σ = 70767693360. Its totient is φ = 8683944192.

The previous prime is 30405748397. The next prime is 30405748427. The reversal of 30405748422 is 22484750403.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30405748427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 783378 + ... + 821274.

It is an arithmetic number, because the mean of its divisors is an integer number (1474326945).

Almost surely, 2^30405748422 is an apocalyptic number.

30405748422 is an abundant number, since it is smaller than the sum of its proper divisors (40361944938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30405748422 is a wasteful number, since it uses less digits than its factorization.

30405748422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40645 (or 40638 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 39.

The spelling of 30405748422 in words is "thirty billion, four hundred five million, seven hundred forty-eight thousand, four hundred twenty-two".